Year	Catalogued	Offered	Sold	Aggregate	Average	Median
2021	339	254	170	1,062,650	6,251	4,500
2020	237	178	123	1,051,600	8,550	6,000
2019	837	669	456	3,777,750	8,285	5,500
2018	791	620	422	3,964,600	9,395	5,500
2017	672	545	383	3,768,300	9,839	6,500
2016	663	545	365	3,026,200	8,291	5,000
2015	770	586	402	3,698,900	9,201	5,600
2014	798	622	485	4,767,000	9,829	6,000
2013	635	522	365	2,731,950	7,485	4,800
2012	634	506	327	1,897,400	5,802	3,750
2011	874	685	342	1,689,200	4,939	2,800
2010	625	482	251	1,541,750	6,142	3,500
2009	591	449	207	772,250	3,731	2,000
2008	835	576	299	1,796,898	6,010	4,500
2007	927	676	383	3,465,800	9,049	7,000
2006	1,091	747	496	5,385,150	10,857	7,500
2005	915	640	452	4,430,000	9,801	6,500
2004	826	597	437	4,524,200	10,353	7,500
2003	902	635	432	3,602,950	8,340	6,500
2002	853	598	426	3,660,250	8,592	6,000